<template>
	<div id="videoPlayerBox" ref="videoPlayerBox"
		:style="{'width': width + 'px', 'height': height + 'px', 'top': top + 'px', 'left': left + 'px'}">
		<!-- <div class="header">
			<div class="el-dialog__title" @mousedown="onmousedown" @mouseleave="onmouseleave">
				{{ monitorDeviceName }}
				监控点
			</div>
			<span class="closeBtn" @click="bedestroyed">×</span>
		</div> -->
		<div class="topbutton">
			<span class="topBtns" :class="playMode === 0 ? 'activeBtn' : ''" @click="previewClick">预览</span>
			<!-- <span class="topBtns" :class="playMode === 1 ? 'activeBtn' : ''" @click="playBack">回放</span> -->
		</div>
		<div id="playBox" v-html="oWebControl === null ? playText : ''">
		</div>
	</div>
</template>
 
<script>
export default {
	name: 'videoPlayer',
	props: [
		'dialogVisible',
		'monitorDeviceNo',
		// 'monitorDeviceName',
	],
	data() {
		return {
			oWebControl: null,
			pubKey: '', // 公钥
			appkey: "21663213",        //海康平台提供的appkey
            ip: "172.168.21.249",            //平台地址
            secret: "aPA8rc7FVGOBEFr0yJYy",        //海康平台提供的secret
			port: '',
			width: 600,
			height: 380, // 弹框高度
			playHeight: 360,
			layout: '1x1',
			left: '',
			top: '',
			buttonIDs: '0,16,256,257,515',
			initCount: 0,
			playMode: 0, // 0 预览 1回放
			playText: '启动中。。。',
			cameraIndexCode: this.monitorDeviceNo || '' // 监控点编号
		}
	},
	methods: {
		bedestroyed() {
			if (this.oWebControl) {
				this.oWebControl.JS_RequestInterface({
						funcName: "stopAllPreview"
				});
				this.oWebControl.JS_HideWnd();
				this.oWebControl.JS_Disconnect().then(
						() => {  // 断开与插件服务连接成功
						}, 
						() => {  // 断开与插件服务连接失败 
						});
				this.oWebControl = null;
			}
			this.$emit('close');
		},
		// 推送消息
		cbIntegrationCallBack(oData) {
			console.log(oData, '推送消息');
		},
		// RSA加密
		setEncrypt (value) {
			/* eslint-disable */
			let encrypt = new JSEncrypt();
			encrypt.setPublicKey(this.pubKey);
			return encrypt.encrypt(value);
		},
		initPlugin(callback) {
			/* eslint-disable */
			let that = this;
			this.oWebControl = new WebControl({
					szPluginContainer: "playBox",                       // 指定容器id
					iServicePortStart: 15900,                           // 指定起止端口号，建议使用该值
					iServicePortEnd: 15909,
					szClassId: "23BF3B0A-2C56-4D97-9C03-0CB103AA8F11",  // 用于IE10使用ActiveX的clsid
					cbConnectSuccess: function () {                     // 创建WebControl实例成功
						that.oWebControl.JS_StartService("window", {      // WebControl实例创建成功后需要启动服务
							dllPath: "./VideoPluginConnect.dll"             // 值"./VideoPluginConnect.dll"写死 
						}).then(function () {                             // 启动插件服务成功
							that.oWebControl.JS_SetWindowControlCallback({  // 设置消息回调
								cbIntegrationCallBack: that.cbIntegrationCallBack
							});
							
							that.oWebControl.JS_CreateWnd("playBox", that.width, that.playHeight).then(function () { // JS_CreateWnd创建视频播放窗口，宽高可设定
								that.init(callback);  // 创建播放实例成功后初始化
							});
						}, function () { // 启动插件服务失败
						});
					},
					cbConnectError: function () { // 创建WebControl实例失败
						that.oWebControl = null;
						that.playText = '插件未启动，正在尝试启动，请稍候...';
						WebControl.JS_WakeUp("VideoWebPlugin://"); // 程序未启动时执行error函数，采用wakeup来启动程序
						that.initCount++;
						if (that.initCount < 3) {
							setTimeout(function () {
								that.initPlugin();
							}, 3000)
						} else {
							that.playText = '插件启动失败，请检查插件是否安装！<a target="_blank" style="color: #30a8ff;text-decoration: underline;" href="http://xx.com/VideoWebPlugin.zip">下载地址(软件大小：62.7MB)</a>';
						}
					},
					cbConnectClose: function (bNormalClose) {
						// 异常断开：bNormalClose = false
						// JS_Disconnect正常断开：bNormalClose = true	
						console.log("cbConnectClose");
						that.oWebControl = null;
					}
			});
		},
		// 获取公钥
		getPubKey (callback) {
			this.oWebControl.JS_RequestInterface({
					funcName: "getRSAPubKey",
					argument: JSON.stringify({
							keyLength: 1024
					})
			}).then((oData) => {
					if (oData.responseMsg.data) {
							this.pubKey = oData.responseMsg.data;
							callback()
					}
			})
		},
		init(callback) {
			let that = this;
			this.getPubKey(() => {
					//  请自行修改以下变量值	
					let appkey = this.appkey;                           // 综合安防管理平台提供的appkey，必填
					let secret = that.setEncrypt(this.secret);// 综合安防管理平台提供的secret，必填
					let ip = this.ip;                           // 综合安防管理平台IP地址，必填
					let playMode = this.playMode;                                  // 初始播放模式：0-预览，1-回放
					let port = 443;                                    // 综合安防管理平台端口，若启用HTTPS协议，默认443
					let snapDir = "D:\\SnapDir";                       // 抓图存储路径
					let videoDir = "D:\\VideoDir";                     // 紧急录像或录像剪辑存储路径
					let layout = this.layout;                          // playMode指定模式的布局
					let enableHTTPS = 1;                               // 是否启用HTTPS协议与综合安防管理平台交互，是为1，否为0
					let encryptedFields = 'secret';					   				 // 加密字段，默认加密领域为secret
					let showToolbar = 1;                               // 是否显示工具栏，0-不显示，非0-显示
					let showSmart = 1;                                 // 是否显示智能信息（如配置移动侦测后画面上的线框），0-不显示，非0-显示
					let buttonIDs = this.buttonIDs;                    // 自定义工具条按钮
					// /// 请自行修改以上变量值	
					that.oWebControl.JS_RequestInterface({
							funcName: "init",
							argument: JSON.stringify({
									appkey: appkey,                            // API网关提供的appkey
									secret: secret,                            // API网关提供的secret
									ip: ip,                                    // API网关IP地址
									playMode: playMode,                        // 播放模式（决定显示预览还是回放界面）
									port: port,                                // 端口
									snapDir: snapDir,                          // 抓图存储路径
									videoDir: videoDir,                        // 紧急录像或录像剪辑存储路径
									layout: layout,                            // 布局
									enableHTTPS: enableHTTPS,                  // 是否启用HTTPS协议
									encryptedFields: encryptedFields,          // 加密字段
									showToolbar: showToolbar,                  // 是否显示工具栏
									showSmart: showSmart,                      // 是否显示智能信息
									buttonIDs: buttonIDs                       // 自定义工具条按钮
							})
					}).then((oData) => {
							that.oWebControl.JS_Resize(that.width, that.playHeight);  // 初始化后resize一次，规避firefox下首次显示窗口后插件窗口未与DIV窗口重合问题
							if (callback) {
								callback();
							}
					});
			});
		},
		// 视频预览功能
		previewClick() {
			if (!this.oWebControl) {
				return;
			}
			// 如果是回放，重新初始化
			if (this.playMode === 1) {
				this.playMode = 0;
				this.oWebControl.JS_HideWnd();
				this.initPlugin(() => {
					this.previewVideo();
				});
				
			} else if (this.playMode === 0) {
				this.previewVideo();
			}
		},
		previewVideo() {
			let cameraIndexCode = this.cameraIndexCode;             // 获取输入的监控点编号值，必填
			let streamMode = 0;                                     // 主子码流标识：0-主码流，1-子码流
			let transMode = 0;                                      // 传输协议：0-UDP，1-TCP
			let gpuMode = 0;                                        // 是否启用GPU硬解，0-不启用，1-启用
			let wndId = -1;                                         // 播放窗口序号（在2x2以上布局下可指定播放窗口）
			
			this.oWebControl.JS_RequestInterface({
					funcName: "startPreview",
					argument: JSON.stringify({
							cameraIndexCode: cameraIndexCode.trim(),        // 监控点编号
							streamMode: streamMode,                         // 主子码流标识
							transMode: transMode,                           // 传输协议
							gpuMode: gpuMode,                               // 是否开启GPU硬解
							wndId: wndId                                    // 可指定播放窗口
					})
			})
		},
		// 回放
		playBack() {
			if (!this.oWebControl) {
				return;
			}
			// 如果是预览
			if (this.playMode === 0) {
				this.playMode = 1;
				this.oWebControl.JS_HideWnd();
				this.initPlugin(() => {
					this.backVideo();
				});
			} else if (this.playMode === 1) {
					this.backVideo();
			}
		},
		backVideo() {
			let cameraIndexCode = this.cameraIndexCode;
			// 前30天
			let date = new Date(new Date().getTime() - 30 * 24 * 60 * 60 * 1000);
			let month = date.getMonth() + 1 < 10 ? ('0' + (date.getMonth() + 1)) : (date.getMonth()+ 1);
			// 开始时间当天00点
			let str = date.getFullYear() + '/' + month + '/' + date.getDate() + ' 00:00:00'
			let startTime = String(parseInt(new Date(str).getTime() / 1000) -  3 * 60 * 60);
			let endTime = String(parseInt(date.getTime() / 1000));
			this.oWebControl.JS_RequestInterface({
				funcName: "startPlayback",
				argument: JSON.stringify({
					cameraIndexCode: cameraIndexCode.trim(), // 监控点编号
					startTimeStamp: startTime, // 录像查询开始时间戳，单位：秒
					endTimeStamp: endTime, // 录像查询结束时间戳，单位：秒
					recordLocation: 1, // 录像存储类型 0-中心存储 1-设备存储
					transMode: 0, // 传输协议 ，0-UDP 1-TCP
					gpuMode: 0, // 是否开启 GPU 硬解，0-不开启 1-开启
					wndId: -1                         //可指定播放窗口
				})
			});
		},
		// 设置窗口裁剪，当因滚动条滚动导致窗口需要被遮住的情况下需要JS_CuttingPartWindow部分窗口
		setWndCover() {
			let iWidth = $(window).width();
			let iHeight = $(window).height();
			let oDivRect = $("#playBox").get(0).getBoundingClientRect();
			let iCoverLeft = (oDivRect.left < 0) ? Math.abs(oDivRect.left) : 0;
			let iCoverTop = (oDivRect.top < 0) ? Math.abs(oDivRect.top) : 0;
			let iCoverRight = (oDivRect.right - iWidth > 0) ? Math.round(oDivRect.right - iWidth) : 0;
			let iCoverBottom = (oDivRect.bottom - iHeight > 0) ? Math.round(oDivRect.bottom - iHeight) : 0;
 
			iCoverLeft = (iCoverLeft > this.width) ? this.width : iCoverLeft;
			iCoverTop = (iCoverTop > this.playHeight) ? this.playHeight : iCoverTop;
			iCoverRight = (iCoverRight > this.width) ? this.width : iCoverRight;
			iCoverBottom = (iCoverBottom > this.playHeight) ? this.playHeight : iCoverBottom;
 
			this.oWebControl.JS_RepairPartWindow(0, 0, (this.width + 1), this.playHeight);    // 多1个像素点防止还原后边界缺失一个像素条
			if (iCoverLeft != 0) {
				this.oWebControl.JS_CuttingPartWindow(0, 0, iCoverLeft, this.playHeight);
			}
			if (iCoverTop != 0) {
					this.oWebControl.JS_CuttingPartWindow(0, 0, (this.width + 1), iCoverTop);    // 多剪掉一个像素条，防止出现剪掉一部分窗口后出现一个像素条
			}
			if (iCoverRight != 0) {
					this.oWebControl.JS_CuttingPartWindow(this.width - iCoverRight, 0, iCoverRight, this.playHeight);
			}
			if (iCoverBottom != 0) {
					this.oWebControl.JS_CuttingPartWindow(0, this.playHeight - iCoverBottom, this.width, iCoverBottom);
			}
		},
	// 	// 拖拽窗口
	// 	onmousedown (e) {
    //   let that = this;
	// 		let cWidth = document.body.clientWidth;
	// 		let cHeight = document.body.clientHeight;
    //   this.$refs.videoPlayerBox.onmousemove = function (el) {
    //     let ev = el || window.event;
	// 			ev.preventDefault();
	// 			// 解决点击标题窗口抖动的问题
	// 			if (Math.abs(ev.movementX) === 0 && Math.abs(ev.movementY) === 0) {
	// 				return;
	// 			}
    //     that.left += ev.movementX;
	// 			that.top += ev.movementY;
	// 			// 顶部不能超出，左侧、右侧、底部可以超出一半
	// 			if (that.top < 0) {
	// 				that.top = 0;
	// 			}
	// 			if (that.top > (cHeight - that.height / 2)) {
	// 				that.top = cHeight - that.height / 2;
	// 			}
	// 			if (that.left < -that.width / 2) {
	// 				that.left = -that.width / 2;
	// 			}
	// 			if (that.left > (cWidth - that.width / 2)) {
	// 				that.left = (cWidth - that.width / 2);
	// 			}
	// 			that.oWebControl.JS_Resize(that.width, that.playHeight);
    //   }
    //   this.$refs.videoPlayerBox.onmouseup = function () {
    //     this.onmousemove = null;
    //     this.onmouseup = null;
    //   }
    //   // 阻止默认事件
    //   if (e.preventDefault) {
    //     e.preventDefault()
    //   } else {
    //     return false
    //   }
	// 	},
	// 	onmouseleave(e) {
    //         // 拖拽过快鼠标划出标题位置，重新拖拽是，鼠标还未移入标题，由于上一次的onmouseup方法没有执行，导致鼠标靠近弹框，弹框移动，解决方法，给onmousemove和onmouseup赋值为null
	// 		this.$refs.videoPlayerBox.onmousemove = null;
	// 		this.$refs.videoPlayerBox.onmouseup = null;
    //         // 解决拖拽过快，播放器残影问题
	// 		this.oWebControl.JS_Resize(this.width, this.playHeight);
	// 	}
	},
	mounted() {
		// let hksystem = JSON.parse(sessionStorage.getItem('hksystem'));
		// this.appkey = hksystem.appKey;
		// this.secret = hksystem.appSecret;
		// this.ip = hksystem.host.split(':')[0];
		// this.port = hksystem.host.split(':')[1];
		// 设置top left
		let bodyW = document.body.clientWidth;
        let bodyH = document.body.clientHeight;
		this.left = bodyW / 2 - this.width / 2;
		this.top = bodyH / 2 - this.height / 2;
		
		this.initPlugin(() => {
					this.previewVideo();
				});
		// 监听resize事件，使插件窗口尺寸跟随DIV窗口变化
		$(window).resize(() => { 
				if (this.oWebControl != null) {
						this.oWebControl.JS_Resize(this.width, this.playHeight);
						this.setWndCover();
				}
		});
		
		// 监听滚动条scroll事件，使插件窗口跟随浏览器滚动而移动
		$(window).scroll(() => {
				if (this.oWebControl != null) {
						this.oWebControl.JS_Resize(this.width, this.playHeight);
						this.setWndCover();
				}
		});
		// 标签关闭
		$(window).unload(() => {
			if (this.oWebControl != null) {
				this.oWebControl.JS_HideWnd();   // 先让窗口隐藏，规避可能的插件窗口滞后于浏览器消失问题 
				this.oWebControl.JS_Disconnect().then(
					() => {  // 断开与插件服务连接成功
					}, 
					() => {  // 断开与插件服务连接失败 
					}
				);
			}
		});
	},
	watch: {
		monitorDeviceNo: {
			handler(newV, oldV) {
				console.log(newV);
				this.cameraIndexCode = newV;
				if (newV && this.playMode === 0) {
					this.previewVideo();
				} else if (newV && this.playMode === 1) {
					this.backVideo();
				}
			}
		},
        dialogVisible(val){
            if(!val){
                console.log('销毁了');
                this.bedestroyed()
            }else {
                this.playMode = 0
                this.initPlugin(() => {
					this.previewVideo();
				});
            }
        }
	}
}
</script>
 
<style lang="scss" scoped>
#videoPlayerBox {
	background-color: #fff;
	.topbutton {
		height: 26px;
        padding: 6px 0px 20px 0px;
		background-color: #fff;
		cursor: pointer;

		.topBtns {
			padding: 0 15px 6px;
			border-bottom: 1px solid #fff;
			color: #000;
		}

		.activeBtn {
			color: #4BA2FF;
			border-color: #4BA2FF;
		}
	}

	#playBox {
		width: 100%;
		height: 360px;
		color: red;
	}
}
</style>
